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H7N9 Bird Flu (Avian Influenza)

Date: April 19th, 2013

Source: National Extension Disaster Education Network

H7N9 is an avian Influenza. Avian Influenza (commonly referred to as Bird Flu) is a disease of wild birds and domestic poultry caused by many different subtypes of Type A influenza virus. The natural reservoir for Type A influenza viruses is wild water birds such as ducks and geese. New influenza A subtypes are continually emerging in the waterfowl population due to the constant mutation of the virus.